2009 BMW Z4 vs. 1995 Opel Calibra
To start off, 2009 BMW Z4 is newer by 14 year(s). Which means there will be less support and parts availability for 1995 Opel Calibra. In addition, the cost of maintenance, including insurance, on 1995 Opel Calibra would be higher. At 3,246 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (338 HP @ 7900 RPM) has 223 more horse power than 1995 Opel Calibra. (115 HP @ 5200 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1995 Opel Calibra. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 295 kg more than 1995 Opel Calibra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 BMW Z4 (365 Nm @ 4900 RPM) has 195 more torque (in Nm) than 1995 Opel Calibra. (170 Nm @ 2600 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1995 Opel Calibra.
Compare all specifications:
| 2009 BMW Z4 | 1995 Opel Calibra | |
| Make | BMW | Opel |
| Model | Z4 | Calibra |
| Year Released | 2009 | 1995 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 115 HP |
| Engine RPM | 7900 RPM | 5200 RPM |
| Torque | 365 Nm | 170 Nm |
| Torque RPM | 4900 RPM | 2600 RPM |
| Engine Compression Ratio | 11.5:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1485 kg | 1190 kg |
| Vehicle Length | 4120 mm | 4500 mm |
| Vehicle Width | 1310 mm | 1700 mm |
| Vehicle Height | 1790 mm | 1610 mm |
| Wheelbase Size | 2500 mm | 2610 mm |
